The infant mortality rate is defined as the number of infant deaths per 1,000 live births. This rate is often used as an indicator of the level of health in a country. The relative frequency histogram below shows the distribution of estimated infant death rates in 2012 for 222 countries.

Use the histogram to estimate the following statistics. If a quartile or median is inside a bar, then use the midpoint of that bar as your answer. If a quartile or median is between two bars, then give an exact answer.

• Q1 is aboutinfant deaths per 1,000 live births.
• The median is aboutinfant deaths per 1,000 live births.
• Q3 is aboutinfant deaths per 1,000 live births.

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